package utils;

public class NumberUtil {
	public static boolean isNumbers(String str)
    {
		if (str.indexOf(",") == -1) return isNumber(str);
        java.util.regex.Pattern pattern=java.util.regex.Pattern.compile("([0-9]*)(,[0-9]*)*");
        java.util.regex.Matcher match=pattern.matcher(str);
        if(match.matches()==false)
        {
             return false;
        }
        else
        {
             return true;
        }
    }
	
	public static boolean isNumber(String str)
    {
        java.util.regex.Pattern pattern=java.util.regex.Pattern.compile("[0-9]*");
        java.util.regex.Matcher match=pattern.matcher(str);
        if(match.matches()==false)
        {
             return false;
        }
        else
        {
             return true;
        }
    }
}
